1*9880d681SAndroid Build Coastguard Worker; Test floating-point absolute. 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s 4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; Test f32. 7*9880d681SAndroid Build Coastguard Workerdeclare float @llvm.fabs.f32(float %f) 8*9880d681SAndroid Build Coastguard Workerdefine float @f1(float %f) { 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 10*9880d681SAndroid Build Coastguard Worker; CHECK: lpdfr %f0, %f0 11*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 12*9880d681SAndroid Build Coastguard Worker %res = call float @llvm.fabs.f32(float %f) 13*9880d681SAndroid Build Coastguard Worker ret float %res 14*9880d681SAndroid Build Coastguard Worker} 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Worker; Test f64. 17*9880d681SAndroid Build Coastguard Workerdeclare double @llvm.fabs.f64(double %f) 18*9880d681SAndroid Build Coastguard Workerdefine double @f2(double %f) { 19*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 20*9880d681SAndroid Build Coastguard Worker; CHECK: lpdfr %f0, %f0 21*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 22*9880d681SAndroid Build Coastguard Worker %res = call double @llvm.fabs.f64(double %f) 23*9880d681SAndroid Build Coastguard Worker ret double %res 24*9880d681SAndroid Build Coastguard Worker} 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Worker; Test f128. With the loads and stores, a pure absolute would probably 27*9880d681SAndroid Build Coastguard Worker; be better implemented using an NI on the upper byte. Do some extra 28*9880d681SAndroid Build Coastguard Worker; processing so that using FPRs is unequivocally better. 29*9880d681SAndroid Build Coastguard Workerdeclare fp128 @llvm.fabs.f128(fp128 %f) 30*9880d681SAndroid Build Coastguard Workerdefine void @f3(fp128 *%ptr, fp128 *%ptr2) { 31*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3: 32*9880d681SAndroid Build Coastguard Worker; CHECK: lpxbr 33*9880d681SAndroid Build Coastguard Worker; CHECK: dxbr 34*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 35*9880d681SAndroid Build Coastguard Worker %orig = load fp128 , fp128 *%ptr 36*9880d681SAndroid Build Coastguard Worker %abs = call fp128 @llvm.fabs.f128(fp128 %orig) 37*9880d681SAndroid Build Coastguard Worker %op2 = load fp128 , fp128 *%ptr2 38*9880d681SAndroid Build Coastguard Worker %res = fdiv fp128 %abs, %op2 39*9880d681SAndroid Build Coastguard Worker store fp128 %res, fp128 *%ptr 40*9880d681SAndroid Build Coastguard Worker ret void 41*9880d681SAndroid Build Coastguard Worker} 42